WO2018014268A1

WO2018014268A1 - Smart watch and assembly method thereof

Info

Publication number: WO2018014268A1
Application number: PCT/CN2016/090762
Authority: WO
Inventors: 罗翔
Original assignee: 华为技术有限公司
Priority date: 2016-07-20
Filing date: 2016-07-20
Publication date: 2018-01-25
Also published as: CN109478041A; CN109478041B

Abstract

Provided are a smart watch and a method for assembling the same. The smart watch comprises a watchband and a dial plate (30). The watchband is used for assembling a detachable function module (40). The dial plate (30) is built-in with a micro-processor MCU (301). The detachable function module (40) and the MCU (301) can be electrically connected by connecting the dial plate (30) and the watchband through snap pins (501, 502, 503, 601, 602, 603, 701, 702, 801, 802). A detachable function module can be expanded and installed in the smart watch.

Description

Intelligent watch and smart watch assembly method

Technical field

The present invention relates to the field of communications technologies, and in particular, to a method for assembling a smart watch and a smart watch.

Background technique

A smart watch is a smart wearable device with information processing capabilities and traditional watch functions. Smart watches often include an integrated module. The integrated module can package various functional modules such as a Microcontroller Unit (MCU), a Bluetooth module, and a sensor module. Many functions of the smart watch depend on the integrated module. Various functional modules. In actual use, due to the small size of the smart watch, a large number of functional modules are limited. For example, the user bought a smart watch with Bluetooth 2.1 function. After a while, the Bluetooth version was upgraded to 4.0, however, due to the The Bluetooth module in the Bluetooth 2.1-enabled smart watch does not support the Bluetooth 4.0 function. In order to use the Bluetooth 4.0 function, the user can only purchase a smart watch that supports the Bluetooth 4.0 function, and cannot support the Bluetooth 2.1 function in the integrated module in the smart watch. The Bluetooth module is replaced with a Bluetooth module that supports Bluetooth 4.0. It can be seen that the current smart watch cannot realize the expansion of the function module installation.

Summary of the invention

The embodiment of the invention discloses a method for assembling a smart watch and a smart watch, which can realize extended installation of the detachable function module in the smart watch.

A first aspect of an embodiment of the present invention discloses a smart watch, including a watch band and a dial, wherein:

The strap is used to assemble a detachable functional module;

The dial has a built-in microprocessor MCU;

The detachable function module is electrically connected to the MCU by connecting the dial to the watchband through a card pin.

A detachable function module can be mounted on each strap, and the strap passes through the card and the MCU in the dial. The electrical connection enables communication between the MCU and the detachable function module, and the expansion and installation of the detachable function module can be realized in the smart watch, and the function of the smart watch can be easily extended.

With reference to the first aspect of the embodiments of the present invention, in a first implementation manner of the first aspect of the embodiments, the strap includes a plurality of straps, and any two adjacent straps are connected by a card. .

You can flexibly configure the number of straps and adjust the length of the strap freely. With reference to the first aspect of the embodiment of the present invention or the first implementation manner of the first aspect of the embodiment of the present invention, in a second implementation manner of the first aspect of the embodiment, the card pin includes an upper card and a lower card. needle.

With the upper and lower stylus pins, the adjacent straps can be connected to one lower nip by an upper nipple, which improves the stability of the adjacent straps compared to the use of a single stylus. .

With reference to the first aspect of the first embodiment of the present invention or the first to the second implementation manner of the first aspect of the embodiment of the present invention, in the third implementation manner of the first aspect of the embodiment of the present invention, each card The needle includes at least two stitches, that is, a first stitch and a second stitch, and the stitches are provided with N active contacts, each of which is provided with N wires, and the N of the first pins is opened. The active contacts and the N active contacts opened on the second pins are connected one by one through the N wires; the N active contacts on the first pins are not electrically connected to each other The N active contacts on the second pin are not electrically connected to each other; wherein the spacing between any two adjacent active contacts of the N active contacts is equal, the N Is an integer greater than or equal to 2.

The signal can be transmitted from the left pin (first pin) to the right pin (second pin) by connecting the active contacts on the left and right pins through the N wires inside the card pin.

With reference to the first implementation manner of the first aspect of the embodiment of the present invention, in the fourth implementation manner of the first aspect of the embodiment, each of the straps is provided with a groove, and the bottom of the groove is provided with a plug. a hole for receiving the detachable function module, the socket being for mating with a pin of the detachable function module.

A grooved strap is provided for inserting the detachable module into the groove in the strap piece to electrically connect the pin on the detachable module to the socket in the recess. With reference to the first implementation manner of the first aspect of the embodiment of the present invention, in the fifth implementation manner of the first aspect of the embodiment of the present invention, each strap film Each of the slots is provided with a slot, the slot is internally distributed with surface contacts, and the slot is for receiving the detachable function module, and the surface contact is for mating with a pin of the detachable function module.

A strap-opening strap is provided for inserting the detachable module into the slot in the strap to electrically connect the pins on the detachable module to the surface contacts in the slot.

With reference to the fourth or fifth implementation manner of the first aspect of the embodiments of the present invention, in a sixth implementation manner of the first aspect of the embodiments of the present invention, each strap sheet includes at least two pinholes, namely: a pinhole and a second pinhole, wherein the pinhole is provided with N in-line contacts, and a spacing between any two adjacent in-cell contacts of the N in-line contacts is on the pin The spacing between any two adjacent active contacts of the N active contacts is equal; the first pinhole cooperates with the pins of one card pin, and the second pinhole and the other card pin The stitching is performed; the N in-line contacts opened in the first pinhole and the N in-line contacts opened in the second pinhole are in one-to-one correspondence by N wires laid in the strap piece connection.

By connecting the active contacts on the first pinhole and the active contacts on the second pinhole through the wires laid in the strap, the connection between the pinholes in the strap can be realized, thereby realizing different card pins. The connection between.

With reference to the sixth implementation manner of the first aspect of the embodiments of the present invention, in a seventh implementation manner of the first aspect of the embodiments, each strap film further includes a strap cover, and the strap cover is used for covering The groove.

Use the strap cover to prevent dust from entering the groove of the strap.

With reference to any one of the first to seventh embodiments of the first aspect of the present invention, in the eighth implementation manner of the first aspect of the embodiment of the present invention, the strap film adopts an anti-missing design.

The mis-insertion prevention design prevents the pins of the detachable function module from being inserted into the wrong jack or the detachable function module from being inserted into the wrong slot.

With reference to the eighth implementation manner of the first aspect of the embodiments of the present invention, in a ninth implementation manner of the first aspect of the embodiments, the jack includes a universal jack and at least one anti-error jack, the universal The appearance characteristics of the jack and the anti-error jack are different.

Provides an anti-missing design that prevents pin insertion of detachable function modules from being inserted incorrectly hole.

With the implementation of any one of the fourth to the ninth aspects of the first aspect of the present invention, in a tenth implementation manner of the first aspect of the embodiment, Curved groove.

The curved slot allows for easy removal of the detachable function module.

With reference to the first aspect of the embodiments of the present invention or any one of the first to the tenth aspects of the first aspect of the present invention, in the eleventh implementation manner of the first aspect of the embodiments of the present invention, The detachable function module communicates with the MCU by using at least one communication mode: universal serial bus USB communication, secure digital input/output card SDIO communication, universal asynchronous transceiver transmitter UART communication, internal integrated circuit I2C communication, local area network LIN communication, serial processing interface SPI communication.

The detachable function module can be a Bluetooth module (a Bluetooth communication can be performed on a smart watch after installing the Bluetooth module), a modem module (a function of making a call on a smart watch after the modem module is installed), and an audio processing module (installing audio) After processing the module, you can record through the smart watch), TF (Trans-flash) card module (after installing the TF card module, you can enhance the storage capacity of the smart watch) and so on.

The second aspect of the embodiment of the present invention discloses a method for assembling a smart watch, which is applied to any smart watch disclosed in the first aspect of the present invention. The smart watch includes a watch band and a dial, and the method includes:

Disassembling a detachable function module on the strap;

a microprocessor MCU is built in the dial;

For the structure of the smart watch, refer to any implementation manner of the first aspect of the embodiment of the present invention, and details are not described herein again.

In the embodiment of the invention, the smart watch comprises a watch strap and a dial, the strap is used for assembling the detachable function module; the dial has a built-in microprocessor MCU; and the dial is connected to the dial and the strap to realize detachable The function module is electrically connected to the MCU. In the embodiment of the present invention, a detachable function module can be installed on each strap, and the strap is electrically connected to the MCU in the dial through the card pin, thereby realizing communication between the MCU and the detachable function module, and can be implemented in the smart watch. The extended installation of the disassembly function module facilitates the expansion of the functions of the smart watch.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.

1 is a schematic structural diagram of a smart watch disclosed in an embodiment of the present invention;

2 is a schematic structural diagram of another smart watch disclosed in an embodiment of the present invention;

2a is a schematic structural view of a strap piece and a detachable function module according to an embodiment of the present invention;

2b is a schematic structural view of an upper card needle disclosed in an embodiment of the present invention;

2c is a schematic structural view of a lower stylus disclosed in an embodiment of the present invention;

2d is a schematic structural view of a strap piece and a card pin according to an embodiment of the present invention;

3 is a schematic structural diagram of another smart watch disclosed in an embodiment of the present invention;

3a-1 is a schematic structural view of a strap piece and a detachable function module according to an embodiment of the present invention;

3a-2 is a schematic structural view of another strap piece and a detachable function module according to an embodiment of the present invention;

3a-3 is a schematic structural view of another strap piece and a detachable function module according to an embodiment of the present invention;

FIG. 3b is a schematic structural view of an upper stylus disclosed in an embodiment of the present invention; FIG.

3c is a schematic structural view of a lower stylus disclosed in an embodiment of the present invention;

3d is a schematic structural view of a strap and a stylus according to an embodiment of the present invention;

4 is a schematic structural view of a strap cover according to an embodiment of the present invention;

5 is a schematic structural view of a jack of a strap piece according to an embodiment of the present invention;

6 is a schematic structural view of an easily detachable strap piece according to an embodiment of the present invention;

FIG. 7 is a schematic flow chart of a method for assembling a smart watch according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present invention.

The embodiment of the invention discloses a smart watch, which comprises a watch strap and a dial. The strap is used for assembling a detachable function module; the dial has a built-in microprocessor MCU; and the dial is connected with the dial and the strap to realize the detachable function module and MCU electrical connection.

The strap may be an endless strap, the two ends of the strap being respectively connected to the two ends of the dial by a card pin; the strap may also include a first strap and a second strap, the first strap passing the card and the dial One end is connected, and the second strap is connected to the other end of the dial through a card pin, and the first strap is connected to the second strap through the card. Specifically, the structure of the smart watch is illustrated by taking the first strap and the second strap as an example. Referring to FIG. 1 , FIG. 1 is a schematic structural diagram of a smart watch disclosed in an embodiment of the present invention. As shown in FIG. 1, the smart watch includes a first watch band 10, a second watch band 20, and a dial 30 for assembling a detachable function module 40, wherein:

The first watch band 10 is electrically connected to one end of the dial 30 through a card pin (501 and 601), and the second watch band 20 is electrically connected to the other end of the dial 30 through a card pin (701 and 801); the first watch band 10 and the first watch band 10 The two straps 20 are electrically connected by a card pin. The structure of these pins may be the same or different.

The first strap 10 and the second strap 20 each include a plurality of straps, the first strap 10 includes strap straps 101, 102, etc., and the second strap 20 includes strap straps 201, 202, etc., any Two adjacent strap pieces are connected by a card pin. As shown in FIG. 1, the strap piece 101 and the band piece 102 pass between the card pin 502 and the card pin 602. The straps 201 and the straps 202 are connected by a card 702 and a card 802. 1 is only a schematic view, the first strap 10 and the second strap 20 may include more or fewer straps, while the smartwatch may also include more or fewer clips, the more straps The more cards you need, the more. Users can also disassemble or add a certain number of straps and stylus according to the comfort of wearing a smart watch, so that the total length of the strap of the smart watch matches the circumference of the wrist of the user better, and the comfort of the user is more comfortable. high.

The dial 30 has a built-in microprocessor MCU301. All or part of the pins of the MCU 301 are electrically connected to both ends of the dial. The two ends of the dial are connected to the strap by a card pin, and the strap piece is assembled with the detachable function module 40 to realize all of the MCU 301. Or a portion of the pins are electrically connected to the pins of the detachable function module 40 within the strap. As shown in FIG. 1, the MCU 301 is connected to the strap piece 101 via the card pins 501 and 601. The MCU 301 is connected to the strap piece 201 via the card pins 701 and 801. Both the strap piece 101 and the strap piece 201 can be assembled with the detachable function module 40.

In the embodiment of the present invention, a detachable function module can be installed on each strap piece, and the strap piece is electrically connected to the MCU in the dial through the card pin, thereby realizing communication between the MCU and the detachable function module, and can be realized in the smart watch. The extended installation of the detachable function module makes it easy to expand the functions of the smart watch.

In one embodiment, each strap piece is provided with a groove, and the bottom of the groove is provided with X jacks for receiving the detachable function module, and the jack is used for the pin of the detachable function module. Cooperate. As shown in FIG. 2, FIG. 2 is a schematic structural diagram of another smart watch disclosed in an embodiment of the present invention. Each of the strap strips in FIG. 2 is provided with a groove. Illustratively, there are 10 jacks at the bottom of the recess for receiving the detachable function module 40 for the detachable function module 40. The pins match.

For convenience of explanation, FIG. 2 takes X equal to 10 as an example, and FIG. 2 shows the specific number of jacks on each strap (10), the specific number of pins of the MCU (10), and the detachable function module. The number of pins (8) is only an example. The embodiment of the present invention does not limit the number of jacks on the strap, the number of pins of the MCU, and the number of pins of the detachable function module. Similarly, for ease of explanation, only two strap pieces (101 and 201) and six card pins (501, 502, 503, 601, 602, 603) are shown in FIG. The structure of the groove is not shown in Fig. 2. The structure of the groove can be referred to 111 in Fig. 2a. figure 2 The MCU in the middle includes 10 pins: PIN1, PIN2, PIN3, PIN4, PIN5, PIN6, PIN7, PIN8, PIN9, PIN10.

As shown in FIG. 2, the strap 101 is provided with a recess, and the bottom of the recess is provided with a

socket

1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 11110, and a groove of the strap 201.

Jacks

2111, 2112, 2113, 2114, 2115, 2116, 2117, 2118, 2119, 21110 are opened on the bottom. The recesses formed on each of the straps can be used to receive the detachable function module 40. The jacks are used to cooperate with the pins of the detachable function module 40. As shown in FIG. 2, the detachable function module 40 includes pins. 401, 402, 403, 404, 405, 406, 407, 408, the detachable function module 40 can be connected to any one of the strap pieces. For example, when the detachable function module 40 is connected to the strap piece 101, the detachable function can be detached. The

pins

401, 402, 403, 404, 405, 406, 407, 408 of the module 40 are connected to the

jacks

1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118 of the strap 101 in a one-to-one correspondence. The

pins

401, 402, 403, 404, 405, 406, 407, 408 of the detachable function module 40 are respectively corresponding to the

jacks

1113, 1114, 1115, 1116, 1117, 1118, 1119, 11110 of the strap 101. Connections can also be other ways of connecting. Specifically, as shown in FIG. 2a, FIG. 2a is a schematic structural view of a strap piece and a detachable function module according to an embodiment of the present invention. The pins of the detachable function module 40 can be respectively inserted into the strap 101. In the jack, the groove 111 of the strap 101 is used for accommodating the detachable function module 40, and the strap piece and the detachable function module are matched in the manner of FIG. 2a, and the pin and the strap of the detachable function module can be realized. The electrical connection of the jack of the piece.

Wherein, the card needle comprises an upper card needle and a lower card needle. Each of the upper stylus pins includes at least two stitches, that is, a first stitch and a second stitch, and the first stitch and the second stitch are respectively provided with N active contacts, and each of the upper ejector pins is provided with N strips The wire, the N active contacts opened on the first pin and the N active contacts opened on the second pin are connected one by one through the N wires, and the N active contacts on the first pin are mutually connected Without electrical connection, the N active contacts on the second pin are not electrically connected to each other; the spacing between any two adjacent active contacts of the N active contacts is equal, N is greater than or equal to 2 The integer. On the basis of FIG. 2, the structure of the upper stylus is disclosed below. Please refer to FIG. 2b. The upper PIN of FIG. 2b is exemplified by two stitches, and FIG. 2b is a top PIN disclosed by the embodiment of the present invention. Schematic diagram of the structure, as shown in Figure 2b As shown in FIG. 2b, the above-mentioned card pins 501 are taken as an example. The other upper card pins in FIG. 2 have the same structure as 501, such as 502 and 503. In FIG. 2b, N is equal to 6 as an example, and the upper card pin 501 includes the first pin. 511 and the second pin 512, the first pin 511 and the second pin 512 are respectively provided with six active contacts, and the first pin 511 is sequentially provided with 5111, 5112, 5113, 5114, 5115, 5116, a total of 6 The source contact, the second pin 512 is sequentially provided with a total of 6 active contacts of 5121, 5122, 5123, 5124, 5125, 5126, and the upper card pin 501 is provided with 5011, 5012, 5013, 5014, 5015, 5016 in total. 6 wires, the

active contacts

5111, 5112, 5113, 5114, 5115, 5116 opened on the first pin 511 and the

active contacts

5121, 5122, 5123, 5124, 5125, 5126 opened on the second pin 512 pass The

wires

5011, 5012, 5013, 5014, 5015, and 5016 laid in the upper card needle 501 are connected one by one. By analogy, the

active contacts

5211, 5212, 5213, 5214, 5215, 5216 formed on the first pin 521 of the upper stylus 502 of FIG. 2 and the second pin 522 of the upper PIN 502 are activated. The

contacts

5221, 5222, 5223, 5224, 5225, 5226 are connected one by one through the six wires laid in the upper card pin 502, and the active contacts 5311 are opened on the first pin 531 of the upper card pin 503 in FIG. , the

active contacts

5321, 5322, 5323, 5324, 5325, 5326 formed on the second pins 532 of the upper stylus 503 and the fifth pins 532 of the upper PIN 503 are passed through the six wires laid in the upper PIN 502. A corresponding connection.

As shown in FIG. 2b, the six active contacts on the first pin 511 are not electrically connected to each other, and the six active contacts on the second pin 512 are not electrically connected to each other; wherein the first pin 511 is connected to each other; The spacing between any two adjacent active contacts of the six active contacts is equal (for example, the distance between 5111 and 5112 is equal to the distance between 5112 and 5113), and the 6 on the second pin 512 The spacing between any two adjacent active contacts of the active contacts is equal (eg, the distance between 5121 and 5122 is equal to the distance between 5122 and 5123). The active contact is a non-insulated contact for connecting the wires, and may be a metal conductor such as a metal piece or a metal dot.

As shown in FIG. 2, the pins PIN1, PIN3, and PIN5 of the MCU in FIG. 2 are respectively connected to the

active contacts

5321, 5323, and 5325 on the upper card 503, and the pins PIN2, PIN4, and PIN6 are respectively connected to the upper card pins 501.

Active contacts

5112, 5114, 5116.

Using the upper stylus shown in Figure 2b, the left and right pins can be connected through the N wires inside the upper stylus. Active contacts on the first pin 511 and the second pin 512 can transfer signals from the left pin (first pin 511) to the right pin (second pin 512), and each upper pin can transmit N Road signal.

The following discloses a structure of a lower stylus. Each lower stylus includes a third pin and a fourth pin. The third pin and the fourth pin are respectively provided with M active contacts, and each of the lower PINs is M wires are arranged, M active contacts opened on the third pin and M active contacts opened on the fourth pin are connected one by one through M wires; M active contacts on the third pin There is no electrical connection between the points, and the M active contacts on the fourth pin are not electrically connected to each other; wherein the spacing between any two adjacent active contacts of the M active contacts is equal, M is an integer greater than or equal to 2. On the basis of FIG. 2, a lower stylus is disclosed. Please refer to FIG. 2c. FIG. 2c is a schematic structural view of a lower stylus according to an embodiment of the present invention. As shown in FIG. 2c, the following PIN is shown in FIG. 2c. For example, 601, the other lower PINs in FIG. 2 have the same structure as 601, and FIG. 2c takes M equal to 4 as an example. In FIG. 2c, the lower PIN 602 takes two pins as an example, and the lower PIN The 601 includes a third pin 611 and a fourth pin 612. The third pin 611 and the fourth pin 612 are respectively provided with four active contacts, and the third pin 611 is sequentially provided with 6111, 6112, 6113, and 6114. The active contact, the fourth pin 612 is sequentially provided with a total of four active contacts of 6121, 6122, 6123, 6124, and the lower card pin 601 is provided with a total of four

wires

6011, 6012, 6013, 6014, and the third pin. The

active contacts

6111, 6112, 6113, 6114 and the

active contacts

6121, 6122, 6123, 6124 opened on the fourth pin 612 pass through the

wires

6011, 6012, 6013, 6014 laid in the lower card 601. One-to-one correspondence. And so on, the

active contacts

6211, 6212, 6213, 6214 formed on the third pin 621 of the lower stylus 602 in FIG. 2 and the active contacts 6221 opened on the fourth pin 622 of the lower stylus 602 6222, 6223, 6224 are connected one by one through the four wires laid in the lower stylus 602, and the

active contacts

6311, 6312, 6313, 6314 and the third pins 631 of the lower PIN 603 in FIG. The

active contacts

6321, 6322, 6323, and 6324 formed on the four-pin 632 are connected one by one through the four wires laid in the lower card 602.

As shown in FIG. 2c, the four active contacts on the third pin 611 are not electrically connected to each other, and the four active contacts on the fourth pin 612 are not electrically connected to each other; wherein the third pin 611 The spacing between any two adjacent active contacts of the four active contacts is equal (for example, the distance between 6111 and 6112) Equal to the distance between 6112 and 6113), the spacing between any two adjacent active contacts of the four active contacts on the fourth pin 612 is equal (eg, the distance between 6121 and 6122 is equal to 6122 and The distance between 6123). The active contact is a non-insulated contact for connecting the wires, and may be a metal conductor such as a metal piece or a metal dot.

As shown in FIG. 2, the pins PIN7 and PIN9 of the MCU in FIG. 2 are respectively connected to the

active contacts

6321 and 6323 on the lower card pin 603, and the pins PIN8 and PIN10 are respectively connected to the active contacts on the lower card pin 601. 6112, 6114.

Using the lower stylus shown in Figure 2c, the active contacts on the left and right pins (such as the third pin 611 and the fourth pin 612) can be connected through the M wires inside the lower stylus, and the signal can be removed from the left pin (No. The three stitches 611) are transmitted to the right stitch (fourth stitch 612), and each lower clip can transmit an M signal. Where X is equal to the sum of M and N.

Further, each strap piece is further provided with a first pinhole and a second pinhole, and the first pinhole and the second pinhole are respectively provided with N in-line contacts, and any two of the N in-line contacts The spacing between adjacent in-line contacts is equal to the spacing between any two adjacent active contacts of the N active contacts opened in the upper PIN, and N within the first pinhole The embedded contacts and the N in-line contacts opened in the second pinhole are connected one by one through N wires laid in the strap piece, wherein the first pinhole and the second pinhole are respectively used for two The stitching of the upper stylus pin; each of the strap strips is further provided with a third pinhole and a fourth pinhole, and the third pinhole and the fourth pinhole are respectively provided with M in-line contacts, M in-line contacts The spacing between any two adjacent in-line contacts of the point is equal to the spacing between any two adjacent active contacts of the M active contacts opened in the lower caliper, and the third pinhole is opened The M in-line contacts and the M in-line contacts provided in the fourth pinhole are connected one by one through the M wires laid in the strap piece, wherein the third pin hole and the fourth pin hole are respectively used And two Card with the needle stitch; each band sheet laying wires X, X jacks connecting the X band embedded within the contact patches of the X-wires.

On the basis of FIG. 2, a schematic diagram of a strap and a stylus is disclosed. Referring to FIG. 2d, FIG. 2d is a schematic structural view of a strap and a stylus according to an embodiment of the present invention. In FIG. 2d, M is equal to 4, N is equal to 6, and X is equal to 10. As shown in FIG. 2d, the strap 101 is taken as an example. The strap 101 is provided with 10

jacks

1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 11110, and the strap 101 is further provided with a first pinhole 1121 and a second pinhole 1122. The first pinhole 1121 and the second pinhole 1122 are respectively provided with six in-line contacts, and the first pinholes 1121 are provided with a total of six in-

line contacts

11211, 11212, 11213, 11214, 11215, and 11216. The second pinhole 1122 is provided with a total of six in-

line contacts

11221, 11222, 11223, 11224, 11225, and 11226, and any two of the six in-cell contacts opened in the first pinhole 1121 are adjacently embedded. The spacing between the points is equal to the spacing between any two adjacent active contacts of the six active contacts opened on the second pin 512 of the upper stylus 501 (eg, the embedded contacts 11211 and 11212) The distance between the two is equal to the distance between the

active contacts

5121 and 5122; the spacing between any two adjacent in-line contacts of the six in-cell contacts opened in the second pinhole 1122 and the upper pin 502 The spacing between any two adjacent active contacts of the six active contacts opened on the first pin 521 is equal (for example, the distance between the embedded

contacts

11221 and 11222 is equal to Distance between the source contacts 5211 and 5212). The six in-line contacts opened in the first pinhole 1121 and the six in-line contacts in the second pinhole 1122 are connected in one-to-one correspondence by six wires laid in the strap piece, for example, in-line contact The point 11211 is connected to the in-line contact 11221 through the wire 1141, the in-line contact 11212 and the in-line contact 11222 are connected by the wire 1142, the in-line contact 11213 and the in-line contact 11223 are connected by the wire 1143, and the in-contact 12214 is embedded. The in-line contacts 11224 are connected by wires 1144, the in-line contacts 11215 and the in-line contacts 11225 are connected by wires 1145, and the in-line contacts 11216 and the in-line contacts 11226 are connected by wires 1146.

As shown in FIG. 2d, the strap piece 101 is further provided with a third pinhole 1131 and a fourth pinhole 1132. The third pinhole 1131 and the fourth pinhole 1132 are respectively provided with four in-line contacts, and the third The pinhole 1131 has a total of four in-

line contacts

11311, 11312, 11313, and 11314, and the fourth pinhole 1132 has a total of four in-

line contacts

11321, 11322, 11323, and 11324, and a third pinhole 1131. The spacing between any two adjacent in-line contacts of the four built-in contacts is adjacent to any two of the four active contacts opened on the second pin 612 of the lower PIN 601. The spacing between the points is equal (for example, the distance between the embedded

contacts

11311 and 11312 is equal to the distance between the active contacts 6121 and 6122); any of the four embedded contacts opened in the fourth pinhole 1132 The spacing between two adjacent inline contacts is equal to the spacing between any two adjacent active contacts of the four active contacts formed on the first pin 621 of the lower pin 602 (eg, within The distance between the embedded

contacts

11321 and 11322 is equal to the distance between the active contacts 6211 and 6212). The four in-line contacts opened in the third pinhole 1131 and the four in-line contacts opened in the fourth pinhole 1132 are connected in one-to-one correspondence by four wires laid in the strap piece, for example, in-line contact The point 11311 is connected to the embedded contact 11321 through the wire 1151, the embedded contact 11312 and the embedded contact 11322 are connected by the wire 1152, the embedded contact 11113 and the embedded contact 11323 are connected by the wire 1153, and the embedded contact 11214 It is connected to the in-line contact 11324 by a wire 1154.

Further, each of the straps is also provided with X wires, and the X jacks are connected to the X in-line contacts in the strap by X wires, and any two jacks in each strap There is no electrical connection between them. Please refer to FIG. 2d. FIG. 2d takes the strap 101 as an example. Taking X equal to 10 as an example, the strap 101 is covered with 10 wires, and 10 jacks are connected by 10 wires to 10 strips in the strap. The in-line contacts, as shown in FIG. 2d, the sockets 1111 are connected to the in-cell contacts 11221 through the wires, and the jacks 1113 are connected to the in-cell contacts 11223 and the sockets 1115 through the wires to connect the in-cell contacts 11225 and the jacks 1112. The in-line contacts 11212 are connected by wires, the jacks 1114 are connected by wires to the in-cell contacts 11214, the jacks 1116 are connected by wires to the in-cell contacts 11216, and the jacks 1117 are connected by wires to the in-cell contacts 11321 and the jacks 1119 through the wires. The in-cell contact 1123 is connected, and the jack 1118 is connected to the in-cell contact 11312 via a wire, and the socket 11110 is connected to the in-cell contact 11314 by a wire.

When the strap 101 is engaged with the

upper latches

501 and 502, as shown in FIG. 2d, the user can insert the second stitch 512 of the upper latch 501 into the first pinhole 1121 of the strap 101, and the upper latch 502 The first pin 521 is inserted into the second pinhole 1122 of the strap 101. At this time, the six

active contacts

5121, 5122, 5123, 5124, 5125, 5126 opened on the second pin 512 of the upper pin 501 are The six in-

cell contacts

11211, 11212, 11213, 11214, 11215, and 11216 that are opened in the first pinholes 1121 of the strap 101 are connected one by one, and the six pins of the first pin 521 of the upper card 502 are opened. The

source contacts

5211, 5212, 5213, 5214, 5215, 5216 are connected in one-to-one correspondence with the six in-

cell contacts

11221, 11222, 11223, 11224, 11225, 11226 formed in the second pinhole 1122 of the strap 101. Since the in-

cell contacts

11211, 11212, 11213, 11214, 11215, and 11216 and the in-

line contacts

11221, 11222, 11223, 11224, 11225, and 11226 in the strap 101 pass through the

wires

1141, 1142, 1143, 1144, 1145, respectively. 1,146 one-to-one correspondence Then, the

active contacts

5121, 5122, 5123, 5124, 5125, 5126 on the upper card 501 are in one-to-one correspondence with the

active contacts

5211, 5212, 5213, 5214, 5215, 5216 on the upper card 502. And so on, when the strap piece 201 is engaged with the upper stylus pins 502 and 503, the

active contacts

5221, 5222, 5223, 5224, 5225, 5226 on the upper stylus 502 and the upper stylus 503 are active. The

contacts

5311, 5312, 5313, 5314, 5315, 5316 are in one-to-one correspondence. When all the upper card pins are connected to the strap piece, as shown in FIG. 2, the corresponding active contacts of the

strap pieces

501, 502 and 503 are connected, when the upper card pins 501, 502, 503 and the strap piece are connected. When the 101 and the strap 201 are connected, the

active contacts

5111, 5121, 5211, 5221, 5311, 5321 are connected to each other, and the

active contacts

5112, 5122, 5212, 5222, 5312, 5322 are connected to each other. The

source contacts

5113, 5123, 5213, 5223, 5313, 5323 communicate with each other, and the

active contacts

5114, 5124, 5214, 5224, 5314, 5324 communicate with each other, and the

active contacts

5115, 5125, 5215, 5225 The 5315, 5325 are in communication with each other, and the

active contacts

5116, 5126, 5216, 5226, 5316, 5326 are in communication with each other.

As shown in FIG. 2d, the jack 1111 is connected to the in-cell contact 11221 through the wire, and the jack 1113 is connected to the in-cell contact 12223 through the wire, and the jack 1115 is connected to the in-cell contact 11225 through the wire. The contact 11212 and the jack 1114 are connected to the in-cell contact 11214 through a wire, and the jack 1116 is connected to the in-cell contact 11216 through a wire. When the strap 101 is engaged with the

upper pins

501 and 502, the jack 1111 is connected to the active contact. Point 5211, jack 1113 is connected to active contact 5213, jack 1115 is connected to active contact 5215, jack 1112 is connected to active contact 5122, jack 1114 is connected to active contact 5124, jack 1116 is connected to active contact Point 5126. When all of the upper stylus pins are connected to the strap piece, that is, when the upper stylus pins 501, 502, 503 are coupled to the band piece 101 and the band piece 201, as shown in FIG. 2, the insertion hole 1111 and the active contact are shown. 5111, 5121, 5211, 5221, 5311, 5321 are all connected, the jack 1112 is connected with the

active contacts

5112, 5122, 5212, 5222, 5312, 5322, the jack 1113 and the

active contacts

5113, 5123, 5213, 5223, 5313, 5323 are all connected, the jack 1114 is connected with the

active contacts

5114, 5124, 5214, 5224, 5314, 5324, and the jack 1115 and the

active contacts

5115, 5125, 5215, 5225, 5315, 5325 are both In communication, the jack 1116 is in communication with the

active contacts

5116, 5126, 5216, 5226, 5316, 5326.

When the strap 101 is engaged with the

lower latches

601 and 602, as shown in FIG. 2d, the user can lower the latch. The fourth stitch 612 of the 601 is inserted into the third pinhole 1131 of the strap 101, and the third stitch 621 of the lower latch 602 is inserted into the fourth pinhole 1132 of the strap 101. At this time, the fourth pin 601 is fourth. The four

active contacts

6121, 6122, 6123, and 6124 formed on the pins 612 are connected to the four embedded

contacts

11311, 11312, 11313, and 11314 in the third pinhole 1131 of the strap 101 in a one-to-one correspondence. The four

active contacts

6211, 6212, 6213, 6214 formed on the third pin 621 of the lower stylus 602 and the four embedded

contacts

11321, 11322, 11323 opened in the fourth pinhole 1132 of the strap 101 1,13224 one-to-one correspondence. Since the in-

cell contacts

11311, 11312, 11313, and 11314 in the strap 101 are connected to the in-

line contacts

11321, 11322, 11323, and 11324 through the

wires

1151, 1152, 1153, and 1154, respectively, the lower card 601 is connected. The

active contacts

6121, 6122, 6123, 6124 are in one-to-one correspondence with the

active contacts

6211, 6212, 6213, 6214 on the lower card 602, and so on, when the strap 201 and the lower card 602 When mated with 603, the

active contacts

6221, 6222, 6223, 6224 on the lower stylus 602 are in one-to-one correspondence with the

active contacts

6311, 6312, 6313, 6314 on the lower PIN 603. When all of the lower calipers are connected to the strap piece, as shown in FIG. 2, the corresponding active contacts of the

strap pieces

601, 602 and 603 are in communication, and the lower stylus pins 601, 602, 603 and the strap piece 101 are present. When connected to the strap 201, the

active contacts

6111, 6121, 6211, 6221, 6311, and 6321 communicate with each other, and the

active contacts

6112, 6122, 6212, 6222, 6312, and 6322 communicate with each other, and are active. The

contacts

6113, 6123, 6213, 6223, 6313, 6323 are in communication with each other, and the

active contacts

6114, 6124, 6214, 6224, 6314, 6324 are in communication with each other. In the embodiment of the present invention, by providing an in-line contact in the pinhole and laying a wire in the strap piece, the connection between the pinholes in the strap piece can be realized, thereby achieving the communication between the different card pins.

As shown in FIG. 2d, the jack 1117 is connected to the in-cell contact 11321 through the wire, the jack 1119 is connected to the in-cell contact 1123 through the wire, and the jack 1118 is connected to the in-cell contact 11312 through the wire. When the strap 101 is engaged with the

lower pins

601 and 602, the socket 1117 is connected to the active contact 6211, the jack 1119 is connected to the active contact 6213, and the jack 1118 is connected to the active contact 6122. The hole 11110 is connected to the active contact 6124. When all the lower card pins are connected to the strap piece, that is, when the lower card pins 601, 602, 603 are connected to the band piece 101 and the band piece 201, as shown in FIG. 2, the jack 1117 and the active contact 6111 are shown. , 6121, 6211, 6221, 6311, 6321 are all connected, the jack 1118 and the active contact 6112 6122, 6212, 6222, 6312, and 6322 are all connected, and the jack 1119 is connected to the

active contacts

6113, 6123, 6213, 6223, 6313, and 6323, and the jack 11110 and the

active contacts

6114, 6124, 6214, 6224, Both 6314 and 6324 are connected.

As shown in FIG. 2, when the detachable function module 40 is connected to the strap 101, for example, the

pins

401, 402, 403, 404, 405, 406, 407, 408 of the detachable function module 40 and the strap piece are attached. The

jacks

1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118 of 101 are connected one by one, when all the upper pins of the smart watch (such as the

upper pins

501, 502 and 503 in FIG. 2) are all under The card pins (such as the lower card pins 601, 602, and 603 in FIG. 2) are connected to all the band pieces (such as the band piece 101 and the band piece 201 in FIG. 2) due to the insertion of the jack 1111 and the active contact.

Points

5111, 5121, 5211, 5221, 5311, 5321 are all connected, the jack 1112 is connected with the

active contacts

5112, 5122, 5212, 5222, 5312, 5322, the jack 1113 and the

active contacts

5113, 5123, 5213 5223, 5313, 5323 are all connected, the jack 1114 is in communication with the

active contacts

5114, 5124, 5214, 5224, 5314, 5324, the jack 1115 and the

active contacts

5115, 5125, 5215, 5225, 5315, 5325 All of them are connected, and the jack 1116 is connected to the

active contacts

5116, 5126, 5216, 5226, 5316, 5326, and the jack 1117 is connected to the

active contacts

6111, 6121, 6211, 6221, 6311, and 6321. The hole 1118 is in communication with the

active contacts

6112, 6122, 6212, 6222, 6312, 6322, and the jack 1119 is in communication with the

active contacts

6113, 6123, 6213, 6223, 6313, 6323, the jack 11110 and the

active touch Points

6114, 6124, 6214, 6224, 6314, and 6324 are all connected. Moreover, the pins PIN1, PIN3, and PIN5 of the MCU are respectively connected to the

active contacts

5321, 5323, and 5325 on the card pin 503; the pins PIN2, PIN4, and PIN6 are respectively connected to the active contacts 5122 on the card pin 501. 5114, 5116; pins PIN7, PIN9 are respectively connected to the

active contacts

6321, 6323 on the lower pin 603; pins PIN8, PIN10 are respectively connected to the

active contacts

6112, 6114 on the lower pin 601. In summary, the

pins

401, 402, 403, 404, 405, 406, 407, 408 of the detachable function module 40 correspond to the pins PIN1, PIN2, PIN3, PIN4, PIN5, PIN6, PIN7, PIN8 of the MCU. Connected. By implementing the embodiments of the present invention, the pins of the detachable function module can be connected to the pins of the MCU one by one to realize communication between the MCU and the detachable function module, and the expansion and installation of the detachable function module can be realized in the smart watch, which is convenient. Expand the capabilities of smart watches.

In one embodiment, each strap piece is slotted with a plurality of surface contacts disposed inside the slot, the slot is for receiving a detachable function module, and the surface contact is for a pin with a detachable function module Match. As shown in FIG. 3, FIG. 3 is a schematic structural diagram of another smart watch disclosed in the embodiment of the present invention. Each of the strap strips in Fig. 3 is provided with a slot. Illustratively, there are 10 surface contacts distributed inside the slot, the slot is for receiving the detachable function module 40, and the surface contact is used for the detachable function module. The 40 pins are matched.

For convenience of explanation, FIG. 3 takes X equal to 10 as an example, and FIG. 3 shows the specific number (10) of the upper surface contacts of each strap, the specific number of pins of the MCU 301 (10), and the detachable function. The number of pins (8) of the module 40 is only an example. The embodiment of the present invention does not limit the number of upper surface contacts of the strap, the number of pins of the MCU, and the number of pins of the detachable functional module. Similarly, for ease of explanation, only two strap pieces (101 and 201) and six card pins (501, 502, 503, 601, 602, 603) are shown in FIG. The structure of the slot is not shown in FIG. 3. The structure of the slot can be seen as 111 in FIG. 3a-1, FIG. 3a-2, and FIG. 3a-3. The MCU in Figure 3 includes 10 pins: PIN1, PIN2, PIN3, PIN4, PIN5, PIN6, PIN7, PIN8, PIN9, PIN10.

As shown in FIG. 3, the strap 101 is provided with a slot 111, and the bottom surface of the slot 111 is internally distributed with

surface contacts

1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 11110, and the strap 201.

Surface contacts

2111, 2112, 2113, 2114, 2115, 2116, 2117, 2118, 2119, 21110 are opened on the bottom of the slot. The slot formed on each strap piece can be used to receive the detachable function module 40, and the surface contact is used for mating with the pin of the detachable function module 40. As shown in FIG. 3, the detachable function module 40 includes a lead. The

feet

401, 402, 403, 404, 405, 406, 407, 408, the detachable function module 40 can be connected to any one of the strap pieces. For example, when the detachable function module 40 is connected to the strap piece 101, the detachable function module 40 can be detachable. The

pins

401, 402, 403, 404, 405, 406, 407, 408 of the function module 40 are connected to the

surface contacts

pins

401, 402, 403, 404, 405, 406, 407, 408 of the detachable function module 40 and the

surface contacts

1113, 1114, 1115, 1116, 1117, 1118, 1119, 11110 of the strap 101 may also be used. One-to-one correspondence, but also other connection methods. Specifically, for example, as shown 3a-1, FIG. 3a-1 is a schematic structural view of a strap piece and a detachable function module according to an embodiment of the present invention. The slot 111 of FIG. 3a-1 is located on the upper surface of the strap piece 101, and is inserted. The depth of the slot is D, and the depth D of the slot 111 is greater than or equal to the thickness H of the detachable function module 40. The detachable function module 40 can be inserted into the slot 111 of the strap 101 in the thickness direction H to enable detachability. The pins of the functional module 40 mate with surface contacts distributed within the slot 111 of the strap 101. For example, as shown in FIG. 3a-2, FIG. 3a-2 is a schematic structural view of another strap piece and a detachable function module disclosed in the embodiment of the present invention, and the slot 111 of FIG. 3a-2 is located on the strap piece. The upper surface and the right side surface of the 101, the detachable function module 40 can be inserted into the slot 111 of the strap 101 in the length direction L1 so that the pin of the detachable function module 40 and the slot 111 of the strap 101 Internally distributed surface contact fit. For example, as shown in FIG. 3a-3, FIG. 3a-3 is a schematic structural view of another strap piece and a detachable function module disclosed in the embodiment of the present invention, and the slot 111 of FIG. 3a-3 is located on the strap piece. The right side surface of the 101, the detachable function module 40 can be inserted into the slot 111 of the strap 101 in the length direction L1 to distribute the pins of the detachable function module 40 and the slot 111 of the strap 101. Surface contact mating. By strapping the strap piece with the detachable function module in the manner of FIG. 3a-1 or FIG. 3a-2 or FIG. 3a-3, the electrical connection between the pin of the detachable function module and the surface contact of the strap piece can be achieved.

Wherein, the card needle comprises an upper card needle and a lower card needle. Each of the upper stylus pins includes at least two stitches, that is, a first stitch and a second stitch, and the first stitch and the second stitch are respectively provided with N active contacts, and each of the upper ejector pins is provided with N strips The wire, the N active contacts opened on the first pin and the N active contacts opened on the second pin are connected one by one through the N wires, and the N active contacts on the first pin are mutually connected Without electrical connection, the N active contacts on the second pin are not electrically connected to each other; the spacing between any two adjacent active contacts of the N active contacts is equal, N is greater than or equal to 2 The integer. On the basis of FIG. 3, the structure of the upper stylus is disclosed below. Please refer to FIG. 3b. The upper PIN of FIG. 2b is exemplified by two pins, and FIG. 3b is a top PIN disclosed in the embodiment of the present invention. Schematic diagram of the structure, as shown in FIG. 3b, the above card pin 501 in FIG. 3b is taken as an example, and the other upper card pins in FIG. 3 have the same structure as 501, such as 502 and 503, and FIG. 3b takes N equal to 6 as an example. The card pin 501 includes a first pin 511 and a second pin 512. The first pin 511 and the second pin 512 are respectively provided with six active contacts, and the first pin 511 is sequentially opened. There are a total of 6 active contacts of 5111, 5112, 5113, 5114, 5115, 5116, and a total of 6 active contacts of 5121, 5122, 5123, 5124, 5125, 5126 are sequentially opened on the second pin 512, and the upper card is inserted. 501 is provided with a total of 6

wires

5011, 5012, 5013, 5014, 5015, 5016, and the

active contacts

5111, 5112, 5113, 5114, 5115, 5116 and the second pin 512 are opened on the first pin 511. The

active contacts

5121, 5122, 5123, 5124, 5125, 5126 are connected one by one through the

wires

5011, 5012, 5013, 5014, 5015, 5016 laid in the upper card 501. By analogy, the

active contacts

5211, 5212, 5213, 5214, 5215, 5216 formed on the first pin 521 of the upper stylus 502 of FIG. 3 and the second pin 522 of the upper PIN 502 are activated. The

contacts

active contacts

As shown in FIG. 3b, the six active contacts on the first pin 511 are not electrically connected to each other, and the six active contacts on the second pin 512 are not electrically connected to each other; wherein the first pin 511 is connected to each other; The spacing between any two adjacent active contacts of the six active contacts is equal (for example, the distance between 5111 and 5112 is equal to the distance between 5112 and 5113), and the 6 on the second pin 512 The spacing between any two adjacent active contacts of the active contacts is equal (eg, the distance between 5121 and 5122 is equal to the distance between 5122 and 5123). The active contact is a non-insulated contact for connecting the wires, and may be a metal conductor such as a metal piece or a metal dot.

As shown in FIG. 3, the pins PIN1, PIN3, and PIN5 of the MCU in FIG. 3 are respectively connected to the

active contacts

Active contacts

5112, 5114, 5116.

Using the upper stylus shown in Figure 3b, the active contacts on the left and right pins (such as the first pin 511 and the second pin 512) can be connected through the N wires inside the upper stylus, and the signal can be removed from the left pin (No. One stitch 511) is transmitted to the right stitch (second stitch 512), and each upper needle can transmit N signals.

The following discloses a structure of a lower stylus, each of which includes a third pin and a fourth pin, M active contacts are provided on the three pins and the fourth pin, and M wires are arranged in each lower pin, M active contacts on the third pin and M opened on the fourth pin The active contacts are connected one by one through the M wires; the M active contacts on the third pin are not electrically connected to each other, and the M active contacts on the fourth pin are not electrically connected to each other; Wherein, the spacing between any two adjacent active contacts of the M active contacts is equal, and M is an integer greater than or equal to 2. On the basis of FIG. 3, a lower stylus is disclosed. Referring to FIG. 3c, FIG. 3c is a schematic structural view of a lower stylus disclosed in the embodiment of the present invention. As shown in FIG. 3c, the following PIN is shown in FIG. 3c. For example, 601, the other lower PINs in FIG. 3 have the same structure as 601, and FIG. 3c takes M equal to 4 as an example. In FIG. 2c, the lower PIN 602 takes two pins as an example, and the lower PIN. The 601 includes a third pin 611 and a fourth pin 612. The third pin 611 and the fourth pin 612 are respectively provided with four active contacts, and the third pin 611 is sequentially provided with 6111, 6112, 6113, and 6114. The active contact, the fourth pin 612 is sequentially provided with a total of four active contacts of 6121, 6122, 6123, 6124, and the lower card pin 601 is provided with a total of four

wires

6011, 6012, 6013, 6014, and the third pin. The

active contacts

6111, 6112, 6113, 6114 and the

active contacts

6121, 6122, 6123, 6124 opened on the fourth pin 612 pass through the

wires

active contacts

6211, 6212, 6213, 6214 formed on the third pin 621 of the lower stylus 602 in FIG. 3 and the active contacts 6221 opened on the fourth pin 622 of the lower stylus 602 6222, 6223, 6224 are connected one by one through the four wires laid in the lower card pin 602, and the

active contacts

6311, 6312, 6313, 6314 and the third pins 631 of the lower card pin 603 in FIG. The

active contacts

As shown in FIG. 3c, the four active contacts on the third pin 611 are not electrically connected to each other, and the four active contacts on the fourth pin 612 are not electrically connected to each other; wherein the third pin 611 The spacing between any two adjacent active contacts of the four active contacts is equal (for example, the distance between 6111 and 6112 is equal to the distance between 6112 and 6113), and the fourth pin 612 is 4 The spacing between any two adjacent active contacts of the active contacts is equal (eg, the distance between 6121 and 6122 is equal to the distance between 6122 and 6123). Wherein, the active contact is a non-insulated contact for connecting the wire, which may be a metal piece, Metal conductors such as metal dots.

As shown in FIG. 3, the pins PIN7 and PIN9 of the MCU in FIG. 3 are respectively connected to the

active contacts

Using the lower stylus shown in Figure 3c, the active contacts on the left and right pins (such as the third pin 611 and the fourth pin 612) can be connected through the M wires inside the lower stylus, and the signal can be removed from the left pin (No. The three stitches 611) are transmitted to the right stitch (fourth stitch 612), and each lower clip can transmit an M signal. Where X is equal to the sum of M and N.

Further, each strap piece is further provided with a first pinhole and a second pinhole, and the first pinhole and the second pinhole are respectively provided with N in-line contacts, and any two of the N in-line contacts The spacing between adjacent in-line contacts is equal to the spacing between any two adjacent active contacts of the N active contacts opened in the upper PIN, and N within the first pinhole The embedded contacts and the N in-line contacts opened in the second pinhole are connected one by one through N wires laid in the strap piece, wherein the first pinhole and the second pinhole are respectively used for two The stitching of the upper stylus pin; each of the strap strips is further provided with a third pinhole and a fourth pinhole, and the third pinhole and the fourth pinhole are respectively provided with M in-line contacts, M in-line contacts The spacing between any two adjacent in-line contacts of the point is equal to the spacing between any two adjacent active contacts of the M active contacts opened in the lower caliper, and the third pinhole is opened The M in-line contacts and the M in-line contacts provided in the fourth pinhole are connected one by one through the M wires laid in the strap piece, wherein the third pin hole and the fourth pin hole are respectively used And two Card with the needle stitch; each band sheet laying wires X, X X by the contact surfaces within the band of wires connecting the patches of the X-line contacts.

On the basis of FIG. 3, a schematic diagram of a strap and a stylus is disclosed. Referring to FIG. 3d, FIG. 3d is a schematic structural view of a strap and a stylus according to an embodiment of the present invention. In FIG. 3d, M is equal to 4, N is equal to 6, and X is equal to 10. As shown in FIG. 3d, taking the strap 101 as an example, the surface strip 101 is provided with 10

surface contacts

1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 11110, the first pinhole 1121 and the second pinhole 1122 are further formed on the strap 101, and the first pinhole 1121 and the second pinhole 1122 are respectively provided with 6 In-line contacts, the first pinhole 1121 is open 11211, 11212, 11213, 11214, 11215, 11216 have a total of 6 in-line contacts, and the second pinhole 1122 is provided with 1121, 11222, 11223, 11224, 11225, 11226, 6 in-line contacts, the first pinhole The spacing between any two adjacent in-cell contacts of the six in-cell contacts opened in 1121 is adjacent to any two of the six active contacts opened on the second pin 512 of the upper card pin 501. The spacing between the source contacts is equal (eg, the distance between the in-

cell contacts

11211 and 11212 is equal to the distance between the active contacts 5121 and 5122); the six in-cell contacts that are opened in the second pinhole 1122 The spacing between any two adjacent in-line contacts is equal to the spacing between any two adjacent active contacts of the six active contacts opened on the first pin 521 of the upper pin 502 (eg The distance between the in-

line contacts

11221 and 11222 is equal to the distance between the active contacts 5211 and 5212). The six in-line contacts opened in the first pinhole 1121 and the six in-line contacts in the second pinhole 1122 are connected in one-to-one correspondence by six wires laid in the strap piece, for example, in-line contact The point 11211 is connected to the in-line contact 11221 through the wire 1141, the in-line contact 11212 and the in-line contact 11222 are connected by the wire 1142, the in-line contact 11213 and the in-line contact 11223 are connected by the wire 1143, and the in-contact 12214 is embedded. The in-line contacts 11224 are connected by wires 1144, the in-line contacts 11215 and the in-line contacts 11225 are connected by wires 1145, and the in-line contacts 11216 and the in-line contacts 11226 are connected by wires 1146.

As shown in FIG. 3d, the strap piece 101 is further provided with a third pinhole 1131 and a fourth pinhole 1132. The third pinhole 1131 and the fourth pinhole 1132 are respectively provided with four in-line contacts, and the third The pinhole 1131 has a total of four in-

line contacts

contacts

11321 and 11322 is equal to the distance between the active contacts 6211 and 6212). The four in-line contacts opened in the third pinhole 1131 and the four in-line contacts opened in the fourth pinhole 1132 pass through the paving The four wires disposed in the strap are connected one by one. For example, the embedded contact 11311 and the embedded contact 11321 are connected by a wire 1151, and the embedded contact 11312 and the embedded contact 11322 are connected by a wire 1152. The embedded contact 1113 is connected to the embedded contact 11323 via a wire 1153, and the embedded contact 11314 is connected to the embedded contact 11324 via a wire 1154.

Further, each of the straps is also provided with X wires, and the X surface contacts are connected to the X in-line contacts in the strap by X wires, and any two surfaces in each strap There is no electrical connection between the contacts. Referring to FIG. 3d, FIG. 3d takes the strap 101 as an example. Taking X equal to 10 as an example, the strap 101 is covered with 10 wires, and 10 surface contacts are connected by 10 wires to 10 in the strap. As shown in FIG. 3d, the surface contact 1111 is connected to the in-cell contact 11221 through the wire, the surface contact 1113 is connected to the in-cell contact 12223 through the wire, and the surface contact 1115 is connected to the in-line contact 11225 through the wire. The surface contact 1112 is connected to the in-cell contact 11212 through the wire, the surface contact 1114 is connected to the in-cell contact 11214 through the wire, the surface contact 1116 is connected to the in-line contact 11216 through the wire, and the surface contact 1117 is inscribed through the wire connection. The point 11321, the surface contact 1119 is connected to the in-cell contact 11123 via a wire connection, and the surface contact 1118 is connected to the in-cell contact 11312 via a wire. The surface contact 11110 is connected to the in-cell contact 11314 by a wire.

When the strap 101 is engaged with the

upper pins

501 and 502, as shown in FIG. 3d, the user can insert the second stitch 512 of the upper PIN 501 into the first pinhole 1121 of the strap 101, and the upper latch 502 The first pin 521 is inserted into the second pinhole 1122 of the strap 101. At this time, the six

active contacts

cell contacts

source contacts

cell contacts

11211, 11212, 11213, 11214, 11215, and 11216 and the in-

line contacts

11221, 11222, 11223, 11224, 11225, and 11226 in the strap 101 pass through the

wires

1141, 1142, 1143, 1144, 1145, respectively. 1,146 one-to-one correspondence, the

active contacts

5121, 5122, 5123, 5124, 5125, 5126 on the upper card 501 and the upper card The

active contacts

5211, 5212, 5213, 5214, 5215, 5216 on the pin 502 are in one-to-one correspondence, and so on. When the strap 201 is engaged with the

upper pins

502 and 503, the upper pins 502 are The

source contacts

5221, 5222, 5223, 5224, 5225, 5226 are in one-to-one correspondence with the

active contacts

5311, 5312, 5313, 5314, 5315, 5316 on the upper stylus 503. When all the upper card pins are connected to the strap piece, as shown in FIG. 3, the corresponding active contacts of the

band pieces

501, 502 and 503 are connected, when the upper card pins 501, 502, 503 and the band piece are connected. When the 101 and the strap 201 are connected, the

active contacts

5111, 5121, 5211, 5221, 5311, 5321 are connected to each other, and the

active contacts

5112, 5122, 5212, 5222, 5312, 5322 are connected to each other. The

source contacts

5113, 5123, 5213, 5223, 5313, 5323 communicate with each other, and the

active contacts

5114, 5124, 5214, 5224, 5314, 5324 communicate with each other, and the

active contacts

5116, 5126, 5216, 5226, 5316, 5326 are in communication with each other.

As shown in FIG. 3d, the surface contact 1111 is connected to the in-cell contact 11221 through the wire, the surface contact 1113 is connected to the in-cell contact 12223 through the wire, and the surface contact 1115 is connected through the wire to the in-cell contact 11225 and the surface contact 1112. The wire connection in-cell contact 11212, the surface contact 1114 is connected to the in-cell contact 11214 through a wire, and the surface contact 1116 is connected to the in-cell contact 11216 by a wire. When the strap piece 101 is engaged with the

upper pins

501 and 502, the surface The contact 1111 is connected to the active contact 5211, the surface contact 1113 is connected to the active contact 5213, the surface contact 1115 is connected to the active contact 5215, the surface contact 1112 is connected to the active contact 5122, and the surface contact 1114 is connected to the active source. Contact 5124, surface contact 1116 is connected to active contact 5126. When all of the upper stylus pins are connected to the strap piece, that is, when the upper stylus pins 501, 502, 503 are coupled to the band piece 101 and the band piece 201, as shown in FIG. 3, the surface contact 1111 and the active contact are

Points

5111, 5121, 5211, 5221, 5311, 5321 are all connected, surface contacts 1112 are in communication with

active contacts

5112, 5122, 5212, 5222, 5312, 5322, surface contacts 1113 and

active contacts

5113, 5123 5213, 5223, 5313, 5323 are all connected, the surface contact 1114 is in communication with the

active contacts

5114, 5124, 5214, 5224, 5314, 5324, the surface contact 1115 and the

active contacts

5115, 5125, 5215, 5225 5315 and 5325 are all connected, and the surface contact 1116 is in communication with the

active contacts

5116, 5126, 5216, 5226, 5316, 5326.

When the strap 101 is engaged with the

lower latches

601 and 602, as shown in FIG. 3d, the user can lower the latch. The fourth stitch 612 of the 601 is inserted into the third pinhole 1131 of the strap 101, and the third stitch 621 of the lower latch 602 is inserted into the fourth pinhole 1132 of the strap 101. At this time, the fourth pin 601 is fourth. The four

active contacts

contacts

active contacts

contacts

cell contacts

11311, 11312, 11313, and 11314 in the strap 101 are connected to the in-

line contacts

11321, 11322, 11323, and 11324 through the

wires

1151, 1152, 1153, and 1154, respectively, the lower card 601 is connected. The

active contacts

6121, 6122, 6123, 6124 are in one-to-one correspondence with the

active contacts

6311, 6312, 6313, 6314 on the lower PIN 603. When all of the lower calipers are connected to the strap piece, as shown in FIG. 3, the corresponding active contacts of the

strap pieces

601, 602 and 603 communicate with each other, and the lower stylus pins 601, 602, 603 and the strap piece 101 are present. When connected to the strap 201, the

active contacts

6111, 6121, 6211, 6221, 6311, and 6321 communicate with each other, and the

active contacts

contacts

active contacts

As shown in FIG. 3d, the surface contact 1117 is connected to the embedded contact 11321 through the wire, the surface contact 1119 is connected to the embedded contact 11323 through the wire, and the surface contact 1118 is connected through the wire to the embedded contact 11312 and the surface contact 11110. The wire is connected to the inset contact 11314. When the strap 101 is engaged with the

lower pins

601 and 602, the surface contact 1117 is connected to the active contact 6211, the surface contact 1119 is connected to the active contact 6213, and the surface contact 1118 is connected. The active contact 6122, the surface contact 11110 is connected to the active contact 6124. When all the lower card pins are connected to the strap piece, that is, when the lower card pins 601, 602, 603 are connected to the band piece 101 and the band piece 201, as shown in FIG. 3, the surface contact 1117 and the active contact are shown. 6111, 6121, 6211, 6221, 6311 The 6321 is connected to each other, and the surface contact 1118 is in communication with the

active contacts

6112, 6122, 6212, 6222, 6312, and 6322, and the surface contact 1119 is in communication with the

active contacts

6113, 6123, 6213, 6223, 6313, and 6323. The surface contact 11110 is in communication with the

active contacts

6114, 6124, 6214, 6224, 6314, 6324.

As shown in FIG. 3, when the detachable function module 40 is connected to the strap 101, for example, the

pins

401, 402, 403, 404, 405, 406, 407, 408 of the detachable function module 40 and the strap piece are attached. The surface contacts 1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118 of 101 are connected one by one, when all the upper pins of the smart watch (such as the upper pins 501, 502 and 503 in FIG. 3) and all The lower stylus (such as the lower stylus 601, 602, and 603 in FIG. 3) is connected to all the strap sheets (such as the strap 101 and the strap 201 in FIG. 3) due to the surface contact 1111 and The source contacts 5111, 5121, 5211, 5221, 5311, 5321 are all connected, and the surface contacts 1112 are in communication with the active contacts 5112, 5122, 5212, 5222, 5312, 5322, and the surface contacts 1113 and the active contacts 5113 5123, 5213, 5223, 5313, 5323 are all connected, the surface contact 1114 is in communication with the active contacts 5114, 5124, 5214, 5224, 5314, 5324, the surface contact 1115 and the active contacts 5115, 5125, 5215 5225, 5315, 5325 are all connected, surface contact 1116 is in communication with active contacts 5116, 5126, 5216, 5226, 5316, 5326, surface contact 1117 and active contact 6111 6121, 6211, 6221, 6311, and 6321 are all connected, and the surface contact 1118 is in communication with the active contacts 6112, 6122, 6212, 6222, 6312, and 6322, and the surface contact 1119 and the active contacts 6113, 6123, 6213, 6223, 6313, and 6323 are all connected, and the surface contact 11110 is in communication with the active contacts 6114, 6124, 6214, 6224, 6314, and 6324. Moreover, the pins PIN1, PIN3, and PIN5 of the MCU are respectively connected to the

active contacts

6112, 6114 on the lower pin 601. In summary, the

pins

401, 402, 403, 404, 405, 406, 407, 408 of the detachable function module 40 correspond to the pins PIN1, PIN2, PIN3, PIN4, PIN5, PIN6, PIN7, PIN8 of the MCU. Connected. By implementing the embodiments of the present invention, the pins of the detachable function module can be connected to the pins of the MCU one by one to realize communication between the MCU and the detachable function module, and the expansion and installation of the detachable function module can be realized in the smart watch, which is convenient. Expansion The function of a smart watch.

Optionally, each strap piece further includes a strap cover, and the strap cover is used to cover the recess. Please refer to FIG. 4. FIG. 4 is a schematic structural view of a strap cover according to an embodiment of the present invention. As shown in FIG. 4, the strap 101 of FIG. 2 further includes a strap cover 120 for covering the recess 111 on the strap 101. Use the strap cover to prevent dust from entering the groove of the strap.

Optionally, each strap is designed to be mis-inserted. For example, for the strap piece shown in FIG. 2, a plurality of universal jacks and at least one anti-error jack can be designed; for the strap piece shown in FIG. 3, the straps can be marked with characters, color marks, and patterns. The method prompts the user to insert the detachable function module into the strap in the correct direction. Please refer to FIG. 5. FIG. 5 is a schematic structural diagram of a jack of a strap piece according to an embodiment of the present invention. The jack includes a universal jack and at least one anti-error jack, and the universal jack has different appearance characteristics from the anti-error jack. As shown in FIG. 5, taking the strap 101 as an example, the X jacks on the strap 101 include (X-1) universal jacks and one anti-error jack, and the universal jack and the anti-missing jack. The surface shape is different. In FIG. 5, the jack 1111 is an anti-error jack, the surface shape is square, the jacks 1112 to 111X are universal jacks, and the surface shape is a regular hexagon. Of course, the jack 1111 can also be designed as a regular hexagon, and the other jacks (1112, 1113...111X) can be designed as a square. By implementing the embodiments of the present invention, an anti-missing design is provided, which can prevent the pins of the detachable function module from being inserted into the wrong jack.

Please refer to FIG. 6. FIG. 6 is a schematic structural diagram of an easy-to-disassemble strap piece according to an embodiment of the present invention. As shown in FIG. 6, taking the strap piece 101 as an example, one side of the bottom of the groove 111 of the strap piece 101 is provided with an arcuate groove 11101. The curved slot allows for easy removal of the detachable function module. Of course, in addition to the arcuate groove, other shapes of the groove can be opened for the purpose of facilitating the user to disassemble the detachable function module.

In the embodiment of the invention, the detachable function module and the MCU adopt universal serial bus USB communication, secure digital input/output card SDIO communication, universal asynchronous transceiver transmitter UART communication, internal integrated circuit I2C communication, local interconnect network LIN communication, string One or more bus mode connections in the line processing interface SPI communication.

The detachable function module in the embodiment of the present invention may be a modem module (a function of making a call on a smart watch after installing a modem module), and an audio processing module (after installing an audio processing module, recording may be performed by a smart watch), Memory card module, RF module, video module, processor module, communication module (such as Bluetooth module, WiFi module, infrared module, NFC module and other modules that can realize communication functions), TF (Trans-flash) card module (install TF card) After the module, you can enhance the storage capacity of the smart watch) and so on.

Please refer to FIG. 7. FIG. 7 is a schematic flowchart diagram of a method for assembling a smart watch according to an embodiment of the present invention. The method is applied to the smart watch of FIGS. 1 to 7, and the method includes the following steps.

701, the detachable function module is assembled on the strap.

702, a microprocessor MCU is built in the dial.

703, the dial and the strap are connected by a card pin, and the detachable function module is electrically connected to the MCU.

In the embodiment of the present invention, the strap may be an annular strap, and the two ends of the strap are respectively connected to the two ends of the dial through the clip; the strap may also include a first strap and a second strap, the first watch The belt is connected to one end of the dial through a card needle, and the second strap is connected to the other end of the dial through a card needle, and the first strap and the second strap are connected by a card.

The dial has a built-in microprocessor MCU. All or part of the MCU pins are electrically connected to both ends of the dial. The two ends of the dial are connected to the strap by a card pin, and the strap piece is assembled with a detachable function module to realize all or part of the MCU. The pins are electrically connected to the pins of the detachable function module in the strap. The MCU can include multiple pins. As shown in FIG. 2, the MCU in FIG. 2 includes 10 pins: PIN1, PIN2, PIN3, PIN4, PIN5, PIN6, PIN7, PIN8, PIN9, PIN10.

The detachable function module is electrically connected to the MCU by connecting the dial to the strap through a card pin. For example, the first strap and the second strap are used as an example. Please refer to FIG. 1. FIG. 1 is a schematic structural diagram of a smart watch according to an embodiment of the present invention. As shown in FIG. 1, the smart watch includes a first watch band 10, a second watch band 20, and a dial 30 for assembling a detachable function module 40, wherein:

The first watch band 10 is electrically connected to one end of the dial 30 through a card pin (501 and 601), and the second watch band 20 is electrically connected to the other end of the dial 30 through a card pin (701 and 801); the first watch band 10 and the first watch band 10 Two straps 20 Electrically connected by a card pin. The structure of these pins may be the same or different.

Wherein, the watch band comprises a plurality of strap pieces, and any two adjacent strap pieces are connected by a card needle. As shown in FIG. 1, the strap piece 101 and the strap piece 102 are connected by a card pin 502 and a card pin 602; the strap piece 201 and the band piece 202 are connected by a card pin 702 and a card pin 802. 1 is only a schematic view, the first strap 10 and the second strap 20 may include more or fewer straps, while the smartwatch may also include more or fewer clips, the more straps The more cards you need, the more. Users can also disassemble or add a certain number of straps and stylus according to the comfort of wearing a smart watch, so that the total length of the strap of the smart watch matches the circumference of the wrist of the user better, and the comfort of the user is more comfortable. high.

Wherein, the card needle comprises an upper card needle and a lower card needle.

Specifically, each of the card pins includes at least two pins, that is, a first pin and a second pin, and N active contacts are opened on the pins, and each of the card pins is provided with N wires, which are opened on the first pins. The N active contacts and the N active contacts opened on the second pin are connected one by one through the N wires; the N active contacts on the first pin are not electrically connected to each other, and the second pin is connected The N active contacts are not electrically connected to each other; wherein the spacing between any two adjacent active contacts of the N active contacts is equal, and N is an integer greater than or equal to 2. The following ejector pin is taken as an example. Please refer to FIG. 2b. The upper PIN of FIG. 2b is exemplified by two pins. FIG. 2b is a schematic structural view of the upper stylus disclosed in the embodiment of the present invention, as shown in FIG. 2b. The upper card pin 501 in 2b is taken as an example. The other upper card pins in FIG. 2 have the same structure as 501, such as 502 and 503. In FIG. 2b, N is equal to 6. The upper card pin 501 includes a first pin 511 and a second. The pin 512, the first pin 511 and the second pin 512 are respectively provided with six active contacts, and the first pin 511 is sequentially provided with a total of six active contacts of 5111, 5112, 5113, 5114, 5115, and 5116. A total of six active contacts are provided on the second pin 512, which are 5121, 5122, 5123, 5124, 5125, 5126, and a total of six

wires

5011, 5012, 5013, 5014, 5015, 5016 are laid in the upper pin 501. The

active contacts

5111, 5112, 5113, 5114, 5115, 5116 formed on the first pin 511 and the

active contacts

5121, 5122, 5123, 5124, 5125, 5126 opened on the second pin 512 pass through the upper card pin 501. The internally laid

wires

5011, 5012, 5013, 5014, 5015, 5016 are connected one by one.

Wherein, in one embodiment, each strap piece is provided with a groove, and a hole is formed at the bottom of the groove. The recess is for receiving the detachable function module, and the jack is for mating with the pin of the detachable function module. Specifically, as shown in FIG. 2a, FIG. 2a is a schematic structural view of a strap piece and a detachable function module according to an embodiment of the present invention. The pins of the detachable function module 40 can be respectively inserted into the strap 101. In the jack, the groove 111 of the strap 101 is used for accommodating the detachable function module 40, and the strap piece and the detachable function module are matched in the manner of FIG. 2a, and the pin and the strap of the detachable function module can be realized. The electrical connection of the jack of the piece.

In another embodiment, each strap piece is provided with a slot, the slot is internally distributed with surface contacts, the slot is for receiving the detachable function module, and the surface contact is for engaging with the pin of the detachable function module. Cooperate. As shown in FIG. 3, the detachable function module 40 includes

pins

401, 402, 403, 404, 405, 406, 407, 408, and the detachable function module 40 can be connected to any one of the strap pieces, for example, a detachable function module. When the 40 is connected to the strap 101, the

pins

surface contacts

1111, 1112, 1113, 1114 of the strap 101 can be used. 1115, 1116, 1117, 1118, one-to-one connection, the

pins

401, 402, 403, 404, 405, 406, 407, 408 of the detachable function module 40 and the surface contact 1113 of the

strap

101, 1114, 1115, 1116, 1117, 1118, 1119, 11110 are connected one by one, and may be other connection methods. By implementing the embodiments of the present invention, electrical connection between the pins of the detachable functional module and the surface contacts of the strap piece can be achieved.

Wherein each strap piece comprises at least two pinholes, namely: a first pinhole and a second pinhole, wherein the pinholes are provided with N in-line contacts, and any two of the N in-line contacts are adjacent The spacing between the inline contacts is equal to the spacing between any two adjacent active contacts of the N active contacts formed on the pins; the first pinhole is mated with the pins of one of the pins, the second pin The hole is matched with the stitch of the other card pin; the N in-line contacts opened in the first pin hole and the N in-line contacts opened in the second pin hole pass through the N wires laid in the strap piece one by one Corresponding connection. As shown in FIG. 2d, taking the strap 101 as an example, the strap 101 is provided with 10

jacks

1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 11110, on the strap 101. The first pinhole 1121 and the second pinhole 1122 are also provided, and the first pinhole 1121 and the second pinhole 1122 are respectively provided with 6 in-line contacts, and the first pinhole 1121 is provided with 11211, 11212, and 11213. , There are 6 in-line contacts in the 11214, 11215, and 11216. The second pinhole 1122 has a total of 6 in-

line contacts

11221, 11222, 11223, 11224, 11225, and 11226, and 6 in the first pinhole 1121. The spacing between any two adjacent inline contacts in the inline contact is between any two adjacent active contacts of the six active contacts opened on the second pin 512 of the upper pin 501 The spacing is equal (eg, the distance between the in-

cell contacts

11211 and 11212 is equal to the distance between the active contacts 5121 and 5122); any two of the six in-cell contacts opened in the second pinhole 1122 are adjacent The spacing between the in-line contacts is equal to the spacing between any two adjacent active contacts of the six active contacts formed on the first pin 521 of the upper pin 502 (eg, the in-line contact 11221) The distance from 11222 is equal to the distance between active contacts 5211 and 5212). The six in-line contacts opened in the first pinhole 1121 and the six in-line contacts in the second pinhole 1122 are connected in one-to-one correspondence by six wires laid in the strap piece, for example, in-line contact The point 11211 is connected to the in-line contact 11221 through the wire 1141, the in-line contact 11212 and the in-line contact 11222 are connected by the wire 1142, the in-line contact 11213 and the in-line contact 11223 are connected by the wire 1143, and the in-contact 12214 is embedded. The in-line contacts 11224 are connected by wires 1144, the in-line contacts 11215 and the in-line contacts 11225 are connected by wires 1145, and the in-line contacts 11216 and the in-line contacts 11226 are connected by wires 1146.

Wherein, each strap piece further comprises a strap cover, and the strap cover is used to cover the groove. As shown in FIG. 4, the strap 101 further includes a strap cover 120 for covering the recess 111 on the strap 101. Use the strap cover to prevent dust from entering the groove of the strap.

Among them, the strap is designed to prevent mis-insertion. Specifically, the jack in FIG. 2 includes a universal jack and at least one anti-error jack, and the appearance characteristics of the universal jack and the anti-error jack are different.

Wherein, one side of the bottom of the groove is provided with an arc groove. The curved slot allows for easy removal of the detachable function module.

Among them, the detachable function module and the MCU adopt universal serial bus USB communication, secure digital input and output card SDIO communication, universal asynchronous transceiver transmitter UART communication, internal integrated circuit I2C communication, local interconnect network LIN communication, serial processing interface SPI One or more bus connections in communication.

The detachable function module in the embodiment of the present invention may be a modem module (a function of making a call on a smart watch after installing a modem module), an audio processing module (installation sound) After the frequency processing module, the recording can be performed through the smart watch), the memory card module, the radio frequency module, the video module, the processor module, the communication module (for example, a Bluetooth module, a WiFi module, an infrared module, an NFC module, etc.) TF (Trans-flash) card module (after installing the TF card module, it can enhance the storage capacity of the smart watch) and so on.

In the embodiment of the present invention, the detachable function module can be installed on the strap piece, and the strap piece is electrically connected to the MCU in the dial through the card pin, thereby realizing communication between the MCU and the detachable function module, and realizing detachable function in the smart watch. The expansion of the module makes it easy to extend the functionality of the smart watch.

The smart watch and the smart watch assembly method disclosed in the embodiments of the present invention are described in detail. The principles and embodiments of the present invention are described in the following. The description of the above embodiments is only used to help understanding. The method of the present invention and its core idea; at the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and the scope of application. It is understood to be a limitation of the invention.

Claims

A smart watch characterized by comprising a watch strap and a dial, wherein:

The strap is used to assemble a detachable functional module;

The dial has a built-in microprocessor MCU;

The detachable function module is electrically connected to the MCU by connecting the dial to the watchband through a card pin.
The smart watch according to claim 1, wherein said watch band comprises a plurality of watch bands, and any two adjacent watch bands are connected by a card.
The smart watch according to claim 1 or 2, wherein the card needle comprises an upper card needle and a lower card needle.
The smart watch according to any one of claims 1 to 3, characterized in that each of the latches includes at least two stitches, namely: a first stitch and a second stitch, and the stitches are provided with N active touches. Point, each of the card pins is provided with N wires, and the N active contacts opened on the first pins and the N active contacts opened on the second pins pass through the N wires one by one Corresponding connection; the N active contacts on the first pin are not electrically connected to each other, and the N active contacts on the second pin are not electrically connected to each other; wherein the N have The spacing between any two adjacent active contacts in the source contact is equal, and the N is an integer greater than or equal to two.
The smart watch according to claim 2, wherein each of the strap pieces is provided with a groove, and the bottom of the groove is provided with a socket for receiving the detachable function module. The jack is used to match the pins of the detachable function module.
A smart watch according to claim 2, wherein each of the strap pieces is provided with a plug a slot, the slot internally distributing a surface contact, the slot for receiving the detachable functional module, the surface contact for mating with a pin of the detachable functional module.
The smart watch according to claim 5 or 6, wherein each of the strap pieces comprises at least two pinholes, that is, a first pinhole and a second pinhole, and the inside of the pinhole is provided with N inside Embedded contact, the spacing between any two adjacent in-line contacts of the N in-line contacts and any two adjacent active contacts of the N active contacts opened on the pins The spacing between the two pins is equal; the first pinhole cooperates with the stitch of one of the latches, and the second pinhole cooperates with the stitch of the other of the latches; the N inset contacts opened in the first pinhole The N in-line contacts opened in the second pinhole are connected one by one through N wires laid in the strap piece.
A smart watch according to claim 5, wherein each of the strap sheets further comprises a strap cover for covering the recess.
A smart watch according to any one of claims 2-8, wherein the watch band is of an anti-missing design.
The smart watch according to claim 9, wherein the jack includes a universal jack and at least one anti-error jack, and the universal jack has different appearance characteristics from the anti-error jack.
The smart watch according to any one of claims 5 to 10, characterized in that one side of the bottom of the groove is provided with an arcuate groove.
The smart watch according to any one of claims 1 to 11, wherein the detachable function module communicates with the MCU by using at least one communication mode: universal serial bus USB communication, secure digital input/output card SDIO Communication, universal asynchronous transceiver transmitter UART communication, internal integrated power Road I2C communication, local area network LIN communication, serial processing interface SPI communication.
A smart watch assembly method, characterized by being applied to the smart watch according to any one of claims 1 to 12, the smart watch comprising a watch band and a dial, the method comprising:

Disassembling a detachable function module on the strap;

a microprocessor MCU is built in the dial;

The detachable function module is electrically connected to the MCU by connecting the dial to the watchband through a card pin.
The method according to claim 13, wherein said watch band comprises a plurality of watch band pieces, and any two adjacent watch band pieces are connected by a card.
The method according to claim 13 or 14, wherein the card needle comprises an upper card needle and a lower card needle.
The method according to any one of claims 13-15, wherein each of the latches comprises at least two stitches, namely: a first stitch and a second stitch, wherein the pin has N active contacts, Each of the card pins is provided with N wires, and the N active contacts opened on the first pins and the N active contacts opened on the second pins are connected one by one through the N wires. The N active contacts on the first pin are not electrically connected to each other, and the N active contacts on the second pin are not electrically connected to each other; wherein the N active contacts The spacing between any two adjacent active contacts in the point is equal, and the N is an integer greater than or equal to two.
The method according to claim 14, wherein each of the strap pieces is provided with a groove, and the bottom of the groove is provided with a socket for receiving the detachable function module. The jack is used to match the pins of the detachable function module.
The method according to claim 14, wherein each of the strap pieces is provided with a slot, the slot internally distributing surface contacts, and the slot is for receiving the detachable function module, Surface contacts are used to mate with the pins of the detachable function module.
The method according to claim 17 or 18, wherein each of the strap pieces comprises at least two pinholes, namely: a first pinhole and a second pinhole, wherein the pinholes are provided with N inlays a contact, a spacing between any two adjacent in-line contacts of the N in-line contacts and any two adjacent active contacts of the N active contacts opened on the pins The spacing is equal; the first pinhole cooperates with the stitch of one of the latches, and the second pinhole cooperates with the stitch of the other of the latches; the N inset contacts opened in the first pinhole The N in-line contacts opened in the second pinhole are connected one by one through N wires laid in the strap piece.
The method of claim 17 wherein each of the strap sheets further comprises a strap cover for covering the recess.
A method according to any one of claims 14 to 20, wherein the strap piece is of an anti-missing design.
The method of claim 21, wherein the jack comprises a universal jack and at least one anti-error jack, the universal jack being different in appearance characteristics from the anti-error jack.
The method according to any one of claims 17-22, characterized in that one side of the bottom of the groove is provided with an arcuate groove.
Method according to any of claims 13-23, characterized in that the detachable work The energy module communicates with the MCU by using at least one communication mode: universal serial bus USB communication, secure digital input/output card SDIO communication, universal asynchronous transceiver transmitter UART communication, internal integrated circuit I2C communication, local interconnect network LIN communication, Serial processing interface SPI communication.